There are 12^[1] Grade I listed buildings in Forest Heath, a non-metropolitan district of Suffolk, England.

In the United Kingdom, the term listed building refers to a building or other structure officially designated as being of "exceptional architectural or historic special interest"; Grade I structures are those considered to be "buildings of exceptional interest, sometimes considered to be internationally important. Just 2.5% of listed buildings are Grade I." The total number of listed buildings in England is 372,905.^[2] In England, the authority for listing under the Planning (Listed Buildings and Conservation Areas) Act 1990^[3] rests with English Heritage, a non-departmental public body sponsored by the Department for Culture, Media and Sport.

Forest Heath is a local government district, subdivided among 22 civil parishes, including 3 towns, that are in order of population Newmarket, Mildenhall and Brandon. Mildenhall is the administrative headquarters of the district.

Forest Heath

Name	Location	Type	Completed [note 1]	Date designated	Grid ref.[note 2] Geo-coordinates	Entry number [note 3]	Image	Ref.
Church of St Peter	Brandon	Church	Medieval	7 May 1954	TL7770786173 52°26′41″N 0°36′48″E / 52.444619°N 0.613284°E / 52.444619; 0.613284 (Church of St Peter)	1037592	More images	[4]
Church of St Mary	Dalham	Church	15th century	7 May 1954	TL7242962556 52°14′03″N 0°31′25″E / 52.234195°N 0.523598°E / 52.234195; 0.523598 (Church of St Mary)	1037701	More images	[5]
Church of St Martin	Exning	Church	14th century	28 November 1950	TL6214065513 52°15′50″N 0°22′28″E / 52.26388°N 0.374491°E / 52.26388; 0.374491 (Church of St Martin)	1374828	More images	[6]
Church of All Saints	Gazeley	Church	14th century	7 May 1954	TL7193264164 52°14′56″N 0°31′02″E / 52.248793°N 0.517145°E / 52.248793; 0.517145 (Church of All Saints)	1037675	More images	[7]
Church of All Saints	Icklingham	Church	14th century	7 May 1954	TL7757572606 52°19′22″N 0°36′15″E / 52.32282°N 0.604161°E / 52.32282; 0.604161 (Church of All Saints)	1351332	More images	[8]
Church of St Mary	Lakenheath	Church	15th century	7 May 1954	TL7145382744 52°24′57″N 0°31′11″E / 52.415819°N 0.519605°E / 52.415819; 0.519605 (Church of St Mary)	1285945	More images	[9]
Church of St Mary	Mildenhall	Church	15th century	7 May 1954	TL7102674598 52°20′34″N 0°30′33″E / 52.342789°N 0.509181°E / 52.342789; 0.509181 (Church of St Mary)	1037561	More images	[10]
Church of St Peter	Moulton	Church	15th century	7 May 1954	TL6996864145 52°14′57″N 0°29′18″E / 52.249232°N 0.488396°E / 52.249232; 0.488396 (Church of St Peter)	1037681	More images	[11]
Church of St Mary	Santon Downham	Church	13th century	7 May 1954	TL8162487612 52°27′23″N 0°40′18″E / 52.456255°N 0.671632°E / 52.456255; 0.671632 (Church of St Mary)	1351353	More images	[12]
Cross-base 2 Metres North West of Church of St Mary	Santon Downham	Cross	Late Medieval	2 October 1984	TL8161687625 52°27′23″N 0°40′17″E / 52.456374°N 0.671521°E / 52.456374; 0.671521 (Cross-base 2 Metres North West of Church of St Mary)	1285595	More images	[13]
Church of St Mary	Tuddenham	Church	14th century	7 May 1954	TL7380471362 52°18′46″N 0°32′54″E / 52.312853°N 0.548246°E / 52.312853; 0.548246 (Church of St Mary)	1037584	More images	[14]
Church of All Saints	Worlington	Church	14th century	7 May 1954	TL6912873856 52°20′12″N 0°28′52″E / 52.336713°N 0.480974°E / 52.336713; 0.480974 (Church of All Saints)	1037585	More images	[15]